2212210157 has 2 divisors, whose sum is σ = 2212210158. Its totient is φ = 2212210156.

The previous prime is 2212210141. The next prime is 2212210163. The reversal of 2212210157 is 7510122122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1176078436 + 1036131721 = 34294^2 + 32189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212210157 - 2⁴ = 2212210141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212210657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106105078 + 1106105079.

It is an arithmetic number, because the mean of its divisors is an integer number (1106105079).

Almost surely, 2^2212210157 is an apocalyptic number.

It is an amenable number.

2212210157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212210157 is an equidigital number, since it uses as much as digits as its factorization.

2212210157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2212210157 is about 47034.1382083269. The cubic root of 2212210157 is about 1302.9931342524.

Adding to 2212210157 its reverse (7510122122), we get a palindrome (9722332279).

The spelling of 2212210157 in words is "two billion, two hundred twelve million, two hundred ten thousand, one hundred fifty-seven".